#pragma once

#include <iostream>
#include <unordered_map>
#include <strings.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>


using namespace std;

class User
{
public:
    User(const string &ip, const uint16_t &port)
        :_ip(ip), _port(port)
    {

    }
    ~User(){}
    string _ip;
    uint16_t _port;
};


class OnlineUser
{
public:
    OnlineUser(){} // 空的构造函数
    void addUser(const string &ip, const uint16_t &port)
    {
        string id = ip + "-" + to_string(port);
        _users.insert(make_pair(id, User(ip, port)));
    }
    void delUser(const string &ip, const uint16_t &port)
    {
        string id = ip + "-" + to_string(port);
        _users.erase(id); 
    }
    bool isOnline(const string &ip, const uint16_t &port)
    {
        string id = ip + "-" + to_string(port);
        return _users.find(id) != _users.end();
    }
    void broadcastMessage(int sockfd, const string &ip, const uint16_t &port, const string &message)
    {
        for(auto &user : _users)
        {
            struct sockaddr_in client;
            bzero(&client, sizeof(client));
            client.sin_addr.s_addr = inet_addr(user.second._ip.c_str());
            client.sin_family = AF_INET;
            client.sin_port = htons(user.second._port);

            string s = ip + "-" + to_string(port) + "# " + message;
            sendto(sockfd, s.c_str(), s.size(), 0, (struct sockaddr *)&client, sizeof(client));              
        }
    }
    ~OnlineUser(){}
private:
    unordered_map<string, User> _users;
};



































